C.trying you

D.your trying

33.The law requires all cars for safety and efficiency.

A.being tested regularly

B.to be regularly tested

C.be regularly tested

D.regularly tested

34.I regret yothat your application has been refused.

A.informing

B.being informed

C.to be informed

D.to inform

35.The young doctor could not sleep at night,his thoughts him no peace.

A.gave

B.giving

C.being given

D.to give

36.There is something wrong with my TV set,I must have it.

A.checking

B.check

C.to check

D.checked

37.Uncle Dick has already arrived.Do yoexpect to see him?

A.going

B.go

C.to go

D.that yogo

38.He felt bad for a chance to study abroad.

A.having not given

B.not having given

C.having not been given

D.not having been given

39.The machines are made at full speed.

A.work

B.working

C.to work

D.to be worked

40.All of us are looking forward to a trip to the Ming Tombs.

A.make

B.making